Threat Database Trojans Trojan.MSIL.Krypt.FLC

Trojan.MSIL.Krypt.FLC

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 9
First Seen: February 27, 2023
Last Seen: April 10, 2026
OS(es) Affected: Windows

The detection of Trojan.MSIL.Krypt.FLC on your system indicates a potential security threat. This detection name suggests a type of malicious software, commonly referred to as a Trojan, which can compromise the security and integrity of your computer. It is essential to understand the nature of this threat and take immediate action to remove it and prevent further damage.

What Is Trojan.MSIL.Krypt.FLC?

Trojan.MSIL.Krypt.FLC appears to be a type of Trojan horse malware, which is designed to deceive users into installing it on their systems. The name itself does not provide specific information about its origin or the family it belongs to, but it is clear that it is a malicious program intended to cause harm. Trojans are known for their ability to disguise themselves as legitimate software, making them difficult to detect without proper security measures.

How Trojan.MSIL.Krypt.FLC Operates

Once installed, Trojan.MSIL.Krypt.FLC can operate in various ways, depending on its intended purpose. Trojans can create backdoors for remote access, allowing attackers to control the infected system, steal sensitive information, or use the system for malicious activities such as spamming or distributing malware. They can also disable security software, making it harder for the user to detect and remove the threat. The exact operation of Trojan.MSIL.Krypt.FLC can vary, but its primary goal is to compromise system security and user privacy.

Symptoms of Infection

Systems infected with Trojan.MSIL.Krypt.FLC may exhibit a range of symptoms, including but not limited to, unusual system behavior, slow performance, frequent crashes, and unexpected pop-ups or advertisements. Users might also notice that their security software is disabled or that they are unable to access certain system settings. However, some Trojans can operate silently, making them difficult to detect without regular system scans.

  • Unexplained changes in system settings or files
  • Increased network activity without user interaction
  • Appearance of unknown programs or toolbars in the browser
  • System freezes or crashes

How to Remove Trojan.MSIL.Krypt.FLC

  1. Boot your system in Safe Mode with Networking to prevent the malware from loading and to allow for internet access for downloading removal tools.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter, to detect and remove all traces of the Trojan.
  3. Uninstall any recently installed suspicious programs or applications that you do not recognize or need.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings changes made by the Trojan.
  5. Reboot your system and perform another full scan to ensure that the threat has been completely removed. Repeat this process until no more threats are detected.

Conclusion

The removal of Trojan.MSIL.Krypt.FLC requires careful and immediate action to prevent further system compromise. By understanding the nature of this threat and following the steps outlined for its removal, users can protect their systems and personal data from malicious activities. Regular system scans, keeping software up-to-date, and practicing safe computing habits are crucial in preventing future infections. Remember, vigilance and proactive security measures are key to maintaining a secure and healthy computing environment.

Analysis Report

General information

Family Name: Trojan.MSIL.Krypt.FLC
Signature status: Hash Mismatch

Known Samples

MD5: 8078b0cbf21e288173a02efe83b9e598
SHA1: 039a09292b5b4ff33c01db5b371fb704e8c0b171
SHA256: 3F5FCFBA958D0171A2A2444CECC526685D86990CF1F39099EC984FA67DF45F34
File Size: 157.90 KB, 157896 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File is .NET application
  • File is 32-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

Digital Signatures

Signer Root Status
Microsoft Windows Microsoft Windows Production PCA 2011 Hash Mismatch

File Traits

  • .NET
  • HighEntropy
  • No Version Info
  • x86

Block Information

Total Blocks: 8
Potentially Malicious Blocks: 3
Whitelisted Blocks: 3
Unknown Blocks: 2

Visual Map

0 x ? x x ? 0 0
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreatePrivateNamespace
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateThreadEx
Show More
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcess
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryFullAttributesFile
  • ntdll.dll!NtQueryInformationFile
  • ntdll.dll!NtQueryInformationJobObject
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryLicenseValue
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetUserDefaultLocaleName
  • GetUserObjectInformation

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